G'day, thanks for your interest in how we calculate an experience's ranking score. It's at the core of Rankers so I'm pleased you're curious.
The ranking score percentage is used to compare and sort experiences in ranking tables. It is not necessarily a direct measurement of the quality of a particular experience as rated by its customers. I've found it a useful tool to allow me to find the best experiences with confidence. But I've also found it important to read the customer reviews before making any final judgements!
We calculate an experience's ranking score using a multi-factor data model instead of a raw data average (mean). This model takes into account several important questions. For instance - is there a trusted body of reviews? What is the age of a review and is the review from a credible source?
Below you'll find details around some of the important factors that went into calculating the ranking score for Skyline Luge Rotorua.
If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz. We don't believe this is perfect or complete so we're always interested in ways we might make improvements.
Skyline Luge Rotorua
Valid Reviews
145 Valid Reviews
The Skyline Luge Rotorua experience has a total of 146 reviews. There are 145 valid reviews that are included when calculating the ranking score and 1 invalid review that are excluded from the calculation. Reviews can be excluded only when a reviewer is not verified or after an investigation by our team determines the reviewer is not genuine.
Below is the distribution of ratings for the 145 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 40 |
|
28% |
| 9/10 | 47 |
|
32% |
| 8/10 | 36 |
|
25% |
| 7/10 | 17 |
|
12% |
| 6/10 | 3 |
|
2% |
| 5/10 | 1 |
|
1% |
| 4/10 | 1 |
|
1% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
86.69% Average
The raw data average (mean) for all the Skyline Luge Rotorua valid reviews is 86.69% and is based on 145 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.
Face-to-Face Reviews
121 Face-to-Face Reviews
The Rankers team meets with travellers while they’re in New Zealand and conducts face-to-face surveys. These reviews, in our opinion, are the most trusted in the industry and represent a critical control sample. To our knowledge, we are the only travel review website in the world that has gone to this extent.
More about face-to-face reviews
Within the 145 valid reviews, the experience has 121 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 121 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 31 |
|
26% |
| 9/10 | 38 |
|
31% |
| 8/10 | 34 |
|
28% |
| 7/10 | 13 |
|
11% |
| 6/10 | 3 |
|
2% |
| 5/10 | 1 |
|
1% |
| 4/10 | 1 |
|
1% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
86.12% Average
The raw data average (mean) for all the Skyline Luge Rotorua face-to-face reviews is 86.12% and is based on 121 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
87.13%
Rankers calculates a weighted mean as a base average on which we can improve. Individual review's ratings are given a weight based on several factors. The weight of a review determines the overall impact it'll have on the final weighted average.
Recent reviews have more weight as they are more relevant and reflect the experience as it currently operates. Over time reviews become less relevant and loose their impact on the ranking score.
Low rating reviews carry slightly less weight. This dampens the effect of very low ratings for every experience across the board. This is especially important when the experience has few reviews overall and a single negative rating can grossly mischaracterise an experience. Consistent poor reviews will still result in the experience receiving a comparitively low ranking score.
Credible sources provide reviews that can be trusted. If we have verified a reviewer is genuine via a face-to-face meeting then the review carries additional weight.
| Reviewer | Rating | Age | Relative Weight |
|---|---|---|---|
| Christian Paaske | 7/10 | 3358 days | 96% |
| Natasha Startup | 9/10 | 3390 days | 100% |
| Andy | 9/10 | 3395 days | 99% |
| Toby | 10/10 | 3401 days | 100% |
| Micha Kuster | 10/10 | 3459 days | 91% |
| Tim | 8/10 | 3475 days | 86% |
| Jendrik | 8/10 | 3475 days | 86% |
| Alice Frater | 7/10 | 3482 days | 78% |
| Jade Williams | 10/10 | 3495 days | 85% |
| Cora | 9/10 | 3736 days | 47% |
| Lauren Dinnage | 10/10 | 3744 days | 47% |
| Mike Munzenmaier | 9/10 | 3751 days | 45% |
| Matt Irwin | 8/10 | 3754 days | 43% |
| Annalies Beard | 8/10 | 3754 days | 43% |
| Laura Schafer | 9/10 | 3762 days | 43% |
| D Davey | 10/10 | 3771 days | 43% |
| Kirsten Gehrenbeck | 6/10 | 3773 days | 29% |
| Lucile Souday | 10/10 | 3782 days | 41% |
| Lisa Kalkert | 10/10 | 3783 days | 41% |
| David | 10/10 | 3783 days | 41% |
| Philip Piel | 9/10 | 3783 days | 40% |
| Miro | 6/10 | 3783 days | 28% |
| Chiara | 9/10 | 3783 days | 40% |
| Sabine Bergen | 9/10 | 3786 days | 39% |
| Annika Locker | 10/10 | 3789 days | 40% |
| Jess | 8/10 | 3820 days | 33% |
| Lilli Erni | 9/10 | 4453 days | 27% |
| Franz Birkefeld | 9/10 | 4454 days | 27% |
| Laina Black | 7/10 | 4474 days | 22% |
| Ricky White | 9/10 | 4474 days | 27% |
| Jennifer Garner | 9/10 | 4488 days | 27% |
| Philip Donachie | 10/10 | 4491 days | 27% |
| Klaus Petersen | 7/10 | 4493 days | 22% |
| Matthew Trezise | 10/10 | 4494 days | 27% |
| Lorraine Doyle | 10/10 | 4826 days | 27% |
| Lisa Blake | 9/10 | 4946 days | 27% |
| Jenben | 10/10 | 4960 days | 27% |
| David | 7/10 | 4960 days | 22% |
| Nikita Sue | 8/10 | 5227 days | 26% |
| Darren Ronchetti | 10/10 | 5230 days | 27% |
| Asha | 9/10 | 5265 days | 27% |
| Helen & Laurence | 9/10 | 5303 days | 27% |
| kirribilliangel | 10/10 | 5387 days | 27% |
| Dave van Bergen | 9/10 | 5535 days | 27% |
| Guult Ryan | 10/10 | 5557 days | 27% |
| Claire Colquhoun | 8/10 | 5558 days | 26% |
| Andy Johnson | 10/10 | 5562 days | 27% |
| Leanne Shepherd | 8/10 | 5563 days | 26% |
| Chris White | 10/10 | 5578 days | 27% |
| Jane & Regis | 7/10 | 5587 days | 22% |
| Invictus | 8/10 | 5752 days | 26% |
| craigy | 7/10 | 5783 days | 22% |
| Rob | 8/10 | 5853 days | 26% |
| David | 7/10 | 5869 days | 22% |
| Alzbeta Czech | 10/10 | 5950 days | 27% |
| Becky | 8/10 | 5957 days | 26% |
| Amer | 9/10 | 5961 days | 27% |
| Greg Gerritz | 8/10 | 5963 days | 26% |
| Chance McGuire | 10/10 | 5964 days | 27% |
| Hailey & Fin | 8/10 | 5976 days | 26% |
| pedawrds | 10/10 | 6015 days | 27% |
| thomash | 10/10 | 6020 days | 27% |
| asiacritics | 7/10 | 6026 days | 22% |
| Bue Verrept | 8/10 | 6033 days | 26% |
| canadianislandgirl | 7/10 | 6056 days | 22% |
| Ash Sturm | 9/10 | 6056 days | 27% |
| wileyman | 9/10 | 6087 days | 27% |
| clairet | 9/10 | 6135 days | 27% |
| ToryL | 9/10 | 6148 days | 27% |
| muriellef | 7/10 | 6152 days | 22% |
| katesh | 10/10 | 6225 days | 27% |
| caroldarren | 10/10 | 6270 days | 27% |
| Jake1 | 9/10 | 6272 days | 27% |
| HanT | 8/10 | 6279 days | 26% |
| Yvanna | 8/10 | 6289 days | 26% |
| EmmaL | 8/10 | 6303 days | 26% |
| AnthonyB1 | 8/10 | 6304 days | 26% |
| kiwibrit86 | 9/10 | 6313 days | 27% |
| Matt | 10/10 | 6319 days | 27% |
| SuenSwitzerland | 9/10 | 6329 days | 27% |
| Carolyn | 9/10 | 6332 days | 27% |
| Marcus | 8/10 | 6332 days | 26% |
| Kirsty | 10/10 | 6333 days | 27% |
| Fam | 9/10 | 6338 days | 27% |
| Hayley | 8/10 | 6344 days | 26% |
| Debbie Mossman | 9/10 | 6344 days | 27% |
| Alan | 8/10 | 6348 days | 26% |
| Claire | 10/10 | 6355 days | 27% |
| Spyfox | 10/10 | 6376 days | 27% |
| Sonja | 9/10 | 6383 days | 27% |
| Tim | 8/10 | 6390 days | 26% |
| Lorri S | 8/10 | 6394 days | 26% |
| lming60 | 10/10 | 6395 days | 27% |
| melissa | 10/10 | 6395 days | 27% |
| Vincent | 9/10 | 6400 days | 27% |
| Hanna | 5/10 | 6415 days | 9% |
| Henry | 8/10 | 6437 days | 26% |
| Laura | 9/10 | 6453 days | 27% |
| Dave | 9/10 | 6460 days | 27% |
| Anna | 8/10 | 6467 days | 26% |
| S D | 9/10 | 6483 days | 27% |
| Alex Paice | 9/10 | 6494 days | 27% |
| Nikki Gray | 9/10 | 6520 days | 27% |
| Kellie Teichmann | 10/10 | 6570 days | 27% |
| L1z4rd | 9/10 | 6589 days | 27% |
| Allie61 | 10/10 | 6635 days | 27% |
| Adam Richards | 9/10 | 6650 days | 27% |
| Nick | 9/10 | 6656 days | 27% |
| Andria Davis | 9/10 | 6663 days | 27% |
| Georgina Mulligan | 9/10 | 6663 days | 27% |
| catzmagic | 9/10 | 6663 days | 27% |
| Emily Houston | 7/10 | 6667 days | 22% |
| Nancy Dol | 8/10 | 6667 days | 26% |
| John Woodrow | 9/10 | 6671 days | 27% |
| Zara | 10/10 | 6679 days | 27% |
| Ed | 6/10 | 6679 days | 16% |
| Elle | 10/10 | 6679 days | 27% |
| Issy | 7/10 | 6679 days | 22% |
| Katharina | 10/10 | 6682 days | 27% |
| Juliet | 9/10 | 6683 days | 27% |
| paulonline | 10/10 | 6684 days | 27% |
| Marc Hertogs | 7/10 | 6686 days | 22% |
| Ash McNeil | 10/10 | 6686 days | 27% |
| Warren | 8/10 | 6710 days | 26% |
| Klaus | 9/10 | 6718 days | 27% |
| Ann Westmacott | 9/10 | 6744 days | 27% |
| Neil Cooke | 8/10 | 6752 days | 26% |
| Archie Murdoch | 8/10 | 6759 days | 26% |
| Orla | 8/10 | 6760 days | 26% |
| Andy Chapman | 8/10 | 6872 days | 26% |
| JanKovar | 7/10 | 6988 days | 22% |
| Magnus | 8/10 | 7000 days | 26% |
| Lorraine | 8/10 | 7006 days | 26% |
| Dan | 9/10 | 7011 days | 27% |
| Sarah | 8/10 | 7011 days | 26% |
| Richhouse | 8/10 | 7016 days | 26% |
| Emma Gareth | 9/10 | 7022 days | 27% |
| Karen Nellist | 10/10 | 7025 days | 27% |
| beesom | 9/10 | 7036 days | 27% |
| Janne | 7/10 | 7040 days | 22% |
| Frauke | 4/10 | 7042 days | 0% |
| Dave | 10/10 | 7047 days | 27% |
| RosalindBoyes | 7/10 | 7047 days | 22% |
| Hanna | 8/10 | 7048 days | 26% |
| LisaAllen | 10/10 | 7061 days | 27% |
Adjustments
Several adjustments to the weighted average are added to improve relevancy and credibility. These adjustments apply equally to all experiences that meet the criteria.
Sample Size Adjustment
No Adjustment
A reasonable number of reviews are necessary in order for the average to be credible and for an experience to take a prime position within the ranking tables. As such, experiences with only a few reviews have a moderated score. This does not mean that the experience or the reviews can't be trusted. The Skyline Luge Rotorua experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-2.45% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 106 days. However the Skyline Luge Rotorua experience does not meet the criteria for any adjustment.
In addition, an experience's ranking score may be adjusted for each day there is no new ranking. After 1 day the adjustment comes into effect. The maximum number of days that can be adjusted for is 200 days. Due to the seasonal nature of many businesses, this adjustment is applied dynamically throughout the year.
The Skyline Luge Rotorua experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -2.42% |
| 198 | -2.43% |
| 199 | -2.44% |
| 200 | -2.45% |
| 201 | -2.46% |
| 202 | -2.48% |
| 203 | -2.49% |
| … | … |
Balancing Adjustment
1.89% Adjustment
Every experience's review score is adjusted to balance out the disproportional number of negative reviews that are contributed.
You won't be surprised to learn that disgruntled customers are more likely to leave a review than happy ones. They are motivated to share their experience and warn others. We consider this a good thing and it's why reading the reviews is important. However we've learned it can misrepresent the experience in a more overall sense.
We apply a balancing adjustment to counteract this effect and ensure the ranking score is a more fair representation of the experience. This adjustment is applied equally to all experiences.
Final Ranking Score
87%
The final ranking score once any adjustments, ratings, and rounding has been applied. This value is recalculated each day and a short rolling average is applied. Therefore it may not be precisely accurate based on the other values presented.